We’ve talked about three kinds of difference for DSAW and ERW steel pipe in last essay. And we would show our customers next two points for their difference today. Are you ready to hear and join us for discussion?

What’s more, shrinkage is also an important topic for us. Because of the liquid steel ingot mold from outside to inside, we should know that a pipe’s shrinkage would play an important role during the whole transportation. And the volume contraction during solidification bottom-up, because the level drops, the final solidification of liquid steel parts can not be added to form.

Finally, we would think about the crack together. Solidification of liquid steel in the order due to different causes stress, tension cracks may appear larger parts.

If you still have any troubles once you need to purchase this kind of steel pipe, calling us for advice and we are here all the time.